64 static void superio_tf_read(ide_drive_t *drive, struct ide_taskfile *tf,  in superio_tf_read()  argument
67 	struct ide_io_ports *io_ports = &drive->hwif->io_ports;  in superio_tf_read()
83 static void ns87415_dev_select(ide_drive_t *drive);
122 static void ns87415_prepare_drive (ide_drive_t *drive, unsigned int use_dma)  in ns87415_prepare_drive()  argument
124 	ide_hwif_t *hwif = drive->hwif;  in ns87415_prepare_drive()
135 	if (drive->dev_flags & IDE_DFLAG_PRESENT)  in ns87415_prepare_drive()
141 	bit   = 1 << (20 + (drive->dn & 1) + (hwif->channel << 1));  in ns87415_prepare_drive()
142 	other = 1 << (20 + (1 - (drive->dn & 1)) + (hwif->channel << 1));  in ns87415_prepare_drive()
170 static void ns87415_dev_select(ide_drive_t *drive)  in ns87415_dev_select()  argument
172 	ns87415_prepare_drive(drive,  in ns87415_dev_select()
173 			      !!(drive->dev_flags & IDE_DFLAG_USING_DMA));  in ns87415_dev_select()
175 	outb(drive->select | ATA_DEVICE_OBS, drive->hwif->io_ports.device_addr);  in ns87415_dev_select()
178 static void ns87415_dma_start(ide_drive_t *drive)  in ns87415_dma_start()  argument
180 	ns87415_prepare_drive(drive, 1);  in ns87415_dma_start()
181 	ide_dma_start(drive);  in ns87415_dma_start()
184 static int ns87415_dma_end(ide_drive_t *drive)  in ns87415_dma_end()  argument
186 	ide_hwif_t *hwif = drive->hwif;  in ns87415_dma_end()
198 	ns87415_prepare_drive(drive, 0);  in ns87415_dma_end()